Is sentro 40 needle knitting machine profitable to sell on Amazon United States?

The niche generates $9K/yr across 5 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -58.3%. Flapen's verdict: Skip it (32/100).

How competitive is the sentro 40 needle knitting machine niche?

4 brands and 6 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in sentro 40 needle knitting machine?

Top complaints mined from reviews: Stitch/Finish/Polish, Strength, Durability. The return rate is 5.8% — above our launch gate.

When does demand for sentro 40 needle knitting machine peak?

Demand peaks in Jan–Oct–Nov–Dec; the busiest month runs 12.8× the quietest.

What does it cost to enter the sentro 40 needle knitting machine niche?

Listings span $34.68–$40.77; the average listing price is $37.42 (sweet spot $15–$100). The average incumbent carries 1,189 reviews — the moat a new listing must climb.

sentro 40 needle knitting machine

Skip it

Soft demand (-58.3% this quarter) — this niche doesn't clear our bar today.

Quality gap

Incredible3.9★

avg incumbent rating — lower means beatable quality

Avg price

Incredible$37.42

avg listing price — sweet spot $15–$100

Price range

Incredible$34.68–$40.77

cheapest to priciest tracked listing — scored on the share inside $15–$100

Conversion

Good6.5%

search→purchase rate — share of searches ending in a sale

Review moat

Good1,189

avg incumbent reviews — the moat a new listing must climb

Returns

Bad5.8%

return rate — above 5% kills the launch gate

Market size

Bad$9K

$9K/yr · 4K searches

Growth

Bad-58.3%

90-day search growth — must beat 0% to launch

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Signals Quality Gap High Returns

According to Flapen's Amazon United States niche tracking, sentro 40 needle knitting machine is a $9K/yr Amazon United States market (4K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Oct–Nov–Dec. Verdict: Skip it — 32/100.

Data updated Jul 9, 2026 · scored weekly · How we score niches

sentro 40 needle knitting machine market data

Units sold / yr: 250–500; avg 0–100/product
Revenue / yr: $9K–$19K; units × avg price
Conversion rate: 6.5%
Avg BSR: #71
Page quality: 0%
Prime: 100%
Sponsored: 80%
Out of stock: 36.8%
Avg brand age: 45 months
Avg seller age: 200 days

Competition & brand share

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 rising

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

SENTRO35%
FYGAIN32%
PKHOUHYI21%
MericTop12%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -58.3% search growth over the last 90 days.

Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 12.8×

Open Trend

Top sentro 40 needle knitting machine products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 5 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

SENTRO Knitting Machine 40 Needles Smart Circular Knitting Machine Double Knitting Loom Machine for Adults Beginners DIY Knitting Board Rotating Machine for Hat Scarves Gloves Socks (40Pink)

SENTRO$40.774.1★1,872 rev

SENTRO Knitting Machine 40 Needles Knitting Machine Smart Automatic Knitting Loom Machine for Adult and Beginner Circular Weaving Crochet Knitting Machine Kit for Hat Sock Scarf Gloves Sweater

PKHOUHYI$34.683.7★7 rev

SENTRO Knitting Machines 40 Needles Knitting Loom Machines Crochet Knitting Loom Machine for Kids/Adults

FYGAIN$38.393.9★2,715 rev

FYGAIN SENTRO Knitting Machine 40 Needles Automatic Circular Knitting Crochet Machine for Kids/Adults

FYGAIN$37.383.8★1,270 rev

SENTRO Knitting Machine 40 Needles Automatic Circular Knitting Loom Machine for Kids/Adults Beginners Double Knit Loom Crochet Machine Kit for Hat Socks Scarves Gloves Sweater(for 3-5mm Wool Yarn)

MericTop$35.883.8★81 rev

Newest

by launch date

SENTRO Knitting Machine 40 Needles Knitting Machine Smart Automatic Knitting Loom Machine for Adult and Beginner Circular Weaving Crochet Knitting Machine Kit for Hat Sock Scarf Gloves Sweater

PKHOUHYI$34.687 rev

4mo ago

SENTRO Knitting Machine 40 Needles Automatic Circular Knitting Loom Machine for Kids/Adults Beginners Double Knit Loom Crochet Machine Kit for Hat Socks Scarves Gloves Sweater(for 3-5mm Wool Yarn)

MericTop$35.8881 rev

5mo ago

SENTRO Knitting Machines 40 Needles Knitting Loom Machines Crochet Knitting Loom Machine for Kids/Adults

FYGAIN$38.392,715 rev

1y ago

SENTRO Knitting Machine 40 Needles Smart Circular Knitting Machine Double Knitting Loom Machine for Adults Beginners DIY Knitting Board Rotating Machine for Hat Scarves Gloves Socks (40Pink)

SENTRO$40.771,872 rev

3y ago

FYGAIN SENTRO Knitting Machine 40 Needles Automatic Circular Knitting Crochet Machine for Kids/Adults

FYGAIN$37.381,270 rev

6y ago

What buyers say about sentro 40 needle knitting machine

What buyers praise and complain about, mined from review topics.

What buyers love

Ease Of Use29%

“Ease of use”

Gifting Purpose14%

“Make quick & easy gifts on the Sentro”

Efficiency11%

“Machine works”

Value For Money7%

“Good purchase,”

Quality-Overall5%

“While its like a great the quality”

What buyers complain about

Stitch/Finish/Polish29%

“Unboxed this machine, got it set up and immediate issues with it grinding, skipping stitches and just not working”

Strength11%

“sturdiness is subpar”

Durability10%

“Broken before finishing one use”

Material Quality5%

“The plastic was also not smooth and catches the yarn, snagging it”

Defective Material/Parts4%

“Does not work properly”

Color4%

“most especially any machine that is not that dusty pink color”

Suction4%

“The suction cups tend to not stay put when in place”

Functionality-Overall4%

“Does not work properly”

Natural Resource Wastage4%

“Waste of money”

Ease Of Use4%

“It is very hard to use”

Top return reasons

Functionality-Overall24%

Defective Material/Parts22%

Size-Overall11%

Stitch/Finish/Polish8%

Noise Level6%

Advertised Vs Actual Product6%

Ease Of Use4%

Durability4%

Mechanism Issues3%

Suction3%

Common questions

Is sentro 40 needle knitting machine profitable to sell on Amazon United States?: The niche generates $9K/yr across 5 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -58.3%. Flapen's verdict: Skip it (32/100).
How competitive is the sentro 40 needle knitting machine niche?: 4 brands and 6 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in sentro 40 needle knitting machine?: Top complaints mined from reviews: Stitch/Finish/Polish, Strength, Durability. The return rate is 5.8% — above our launch gate.
When does demand for sentro 40 needle knitting machine peak?: Demand peaks in Jan–Oct–Nov–Dec; the busiest month runs 12.8× the quietest.
What does it cost to enter the sentro 40 needle knitting machine niche?: Listings span $34.68–$40.77; the average listing price is $37.42 (sweet spot $15–$100). The average incumbent carries 1,189 reviews — the moat a new listing must climb.